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NGK 6706 Spark Plug
NGK Laser Iridium Spark Plug Overview
The NGK Laser Iridium Spark Plug part number 6706 is engineered for reliable ignition performance in a variety of vehicle applications. Featuring a durable iridium center electrode and copper core, this spark plug supports efficient combustion and consistent engine operation.
- Iridium center electrode tip for enhanced durability and ignition
- Copper core center electrode for improved conductivity
- Standard ground electrode design with nickel core material
- Non-removable nut electrical terminal type for secure connection
- Pre-gap size of 0.036 inches optimized for precise spark delivery
- Flat seat type with 26.5 mm reach and 12 mm thread diameter
- Heat range rating of 8 suitable for various engine conditions
- Hex size of 14 mm for standard installation tools
- Resistance value of 5000 ohms to reduce electrical noise
About the NGK Laser Iridium Spark Plug Line
The Laser Iridium Spark Plug line from NGK is designed to provide a balance of longevity and performance. Utilizing a fine iridium tip on the center electrode, these plugs offer precise spark generation and improved wear resistance compared to conventional plugs. The copper core enhances thermal conductivity, helping maintain optimal operating temperatures. This combination supports stable ignition and fuel efficiency in compatible vehicles.
Technical Details and Features
This NGK spark plug features a single ground electrode with a standard tip design made from nickel, ensuring durability under typical combustion chamber conditions. The non-removable nut terminal type provides a secure electrical connection, minimizing the risk of loosening over time. With a pre-gap of 0.036 inches, the spark plug is pre-set for optimal ignition timing, reducing the need for adjustment during installation. The flat seat design and 26.5 mm reach make it suitable for engines requiring this specific configuration.
Common Applications and Problem Solving
- Improves ignition reliability in vehicles experiencing misfires or rough idling
- Helps restore engine performance affected by worn or fouled spark plugs
- Reduces electrical interference with a 5000 ohm resistance rating
- Supports efficient fuel combustion for better throttle response
- Suitable for vehicles requiring a heat range 8 spark plug for optimal temperature management
Installation Notes and Tips
When installing the NGK Laser Iridium Spark Plug 6706, ensure the spark plug gap is checked even though it comes pre-gapped at 0.036 inches. Use a 14 mm socket wrench to tighten the plug to the manufacturer’s recommended torque specification to avoid damage to the threads or seat. The flat seat design requires proper seating to maintain compression and prevent leaks. Always inspect the ignition system components for wear or damage during replacement.
Quality Assurance and Warranty
NGK spark plugs are manufactured to meet strict quality standards, ensuring consistent performance and durability. The Laser Iridium Spark Plug line undergoes rigorous testing for heat resistance and electrical conductivity. While specific warranty details for part number 6706 are not provided here, NGK typically offers coverage against manufacturing defects. Refer to NGK’s official documentation for warranty terms applicable to this spark plug.
| Brand | NGK |
| Part Number | 6706 |
| Resistance | 5000 |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Non-removable nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Iridium |
| Pre-Gap Size | .036 |
| Ground Electrode Quantity | 1 |
| Hex Size | 14 |
| Insulator Height | 50.00 |
| Manufacturer Heat Range | 8 |
| Seat Type | Flat |
| Reach | 26.5 |
| Thread Diameter | 12.00 |
| Part Number | Lkar8ai-9 |
| Stock Number | 6706 |
This part fits 0 vehicles. Search below:
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* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.